Posted by **elena** on Sunday, January 31, 2010 at 3:35pm.

The instruction booklet for your pressure cooker indicates that its highest setting is 11.4 psi. You know that standard atmospheric pressure is 14.7 psi, so the booklet must mean 11.4 psi above atmospheric pressure. At what temperature will your food cook in this pressure cooker set on "high"?

- university chemistry -
**bobpursley**, Sunday, January 31, 2010 at 3:42pm
you have to look at what is the bp of water at 26.1 psi. http://www.engineeringtoolbox.com/boiling-point-water-d_926.html

- university chemistry -
**Anonymous**, Friday, February 11, 2011 at 8:23pm
Use the Clausius-Clapeyron equation

ln(P1/P2)=(dHvap/R)(1/T2-1/T1)

Rearrange it and plug in the numbers

P1=26.1 (14.7+11.4)

P2=14.7

dHvap= 40.68 kJ/mol= 40680 J/mol

R= 8.134 J/mol

T1=?

T2= 100C= 373K

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